Open Type
-40mm Drivers
-Circumaural Headphones
-5 Hz to 35 kHz
-Detachable Cable
-Straight and Coiled Cable Included
-Normal and Thick Earpads Included
-1/4" to 1/8" Plug Adapter Included
-Carrying Bag Included
http://www.fostexinternational.com/docs/products/TR-Series.shtml . . .